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TN-06-CR-14
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Many people suffer an allergic reaction to certain sulfites, including those that are commonly added to wine as preservatives. However, since there are several wine makers who add sulfites to none of the wines they produce, people who would like to drink wine but are allergic to sulfites can drink wines produced by these wine makers without risking an allergic reaction to sulfites.

Which of the following is an assumption on which the argument depends?

AThese winemakers have been able to duplicate the preservative effect produced by adding sulfites by means that do not involve adding any potentially allergenic substances to their wine.
BNot all forms of sulfite are equally likely to produce the allergic reactions.
CWine is the only beverage to which sulfites are commonly added.
DApart from sulfites, there are no substances commonly present in wine that give rise to an allergic reaction.
ESulfites are not naturally present in the wines produced by these wine makers in amounts large enough to produce an allergic reaction in someone who drinks these wines.

正确答案: E

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fogwind

楼主

发表于 2009-2-3 14:07:00 | 显示全部楼层

以下是引用joejo9在2007-5-26 10:05:00的发言：
E蛮合理的，那么A呢？

A. These wine makers have been able to duplicate the preservative effect produced by adding sulfites by means that do not involve adding any potentially allergenic substances to their wine.

A和原文讨论的东西无关。原文讨论的是是否过敏的问题。A说的是如何实现防腐剂功能的问题。